2. 外语
  3. The passage is chiefly about______. The underwater listening system was originally designed______.

The passage is chiefly about______. The underwater listening system was originally designed______.

admin2009-06-15  71
问题 The passage is chiefly about______.
The underwater listening system was originally designed______.
选项 A、to trace and locate enemy vessels
B、to monitor deep-sea volcanic eruptions
C、to study the movement of ocean currents
D、to replace the global radio communications network
答案A
解析 根据第3段第1句“几十年前建立的全球水下监听系统本来是用于跟踪潜伏的敌船的。”揭示答案。
转载请注明原文地址:https://www.kaotiyun.com/show/IY1d777K
本试题收录于： 职称英语卫生类B级题库职称英语分类
0

职称英语卫生类B级

职称英语

相关试题推荐
随机试题
最新回复(0)